<webview>: First stab at implementing media permission request for guests.

content/renderer/browser_plugin/browser_plugin_manager_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/browser_plugin/browser_plugin_manager_impl.h"
 
 #include "content/common/browser_plugin_messages.h"
 #include "content/renderer/browser_plugin/browser_plugin.h"
 #include "content/renderer/render_thread_impl.h"
 #include "ui/gfx/point.h"
@@ skipping 35 matching lines @@
     IPC_MESSAGE_HANDLER(BrowserPluginMsg_ShouldAcceptTouchEvents,
                         OnShouldAcceptTouchEvents)
     IPC_MESSAGE_HANDLER(BrowserPluginMsg_LoadStart, OnLoadStart)
     IPC_MESSAGE_HANDLER(BrowserPluginMsg_LoadAbort, OnLoadAbort)
     IPC_MESSAGE_HANDLER(BrowserPluginMsg_LoadRedirect, OnLoadRedirect)
     IPC_MESSAGE_HANDLER(BrowserPluginMsg_LoadCommit, OnLoadCommit)
     IPC_MESSAGE_HANDLER(BrowserPluginMsg_LoadStop, OnLoadStop)
     IPC_MESSAGE_HANDLER(BrowserPluginMsg_SetCursor, OnSetCursor)
     IPC_MESSAGE_HANDLER(BrowserPluginMsg_PluginAtPositionRequest,
                         OnPluginAtPositionRequest);
+    IPC_MESSAGE_HANDLER(BrowserPluginMsg_RequestMediaAccess,
+                        OnRequestMediaAccess)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void BrowserPluginManagerImpl::OnPluginAtPositionRequest(
     const IPC::Message& message,
     int request_id,
     const gfx::Point& position) {
   int instance_id = -1;
@@ skipping 97 matching lines @@
     plugin->LoadRedirect(old_url, new_url, is_top_level);
 }
 
 void BrowserPluginManagerImpl::OnSetCursor(int instance_id,
                                            const WebCursor& cursor) {
   BrowserPlugin* plugin = GetBrowserPlugin(instance_id);
   if (plugin)
     plugin->SetCursor(cursor);
 }
 
+void BrowserPluginManagerImpl::OnRequestMediaAccess(int instance_id,
+                                                    int request_id) {
+  BrowserPlugin* plugin = GetBrowserPlugin(instance_id);
+  if (plugin)
+    plugin->RequestMediaAccess(request_id);
+}
+
 }  // namespace content